The iconic Mack bulldog has long found its home on a pedestal, but now, it's incorporated into the Pioneer's hood.

FCCC highlighted its “pick your power” approach at Work Truck Week, with diesel, gas, and EV models on display.

Based on a Peterbilt 579 commercial semi truck, the ReVolt EREV hybrid electric semi truck promises 40% better fuel economy and more than twice the torque of a conventional, diesel-powered semi.